html,body,#app{
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}
body{
    margin: 0px;
}
#app{
    position: relative;
}
.bg{
    position: absolute;
    top: 0px;
    left: 0px;
    height: 100%;
    width: 100%;
    background-image: url("../assets/10001.png");
    background-repeat: no-repeat;
    background-size: 100vw 100vh;
    background-position: center;
    opacity: 1;
}
.bg-active{
    animation: bg-active 1.5s ease;
}
@keyframes bg-active {
    0%{
        opacity: 0;
    }
    100%{
        opacity: 1;
    }
}
.new-year{
    position: absolute;
    top: 6vh;
    left: 0px;
    text-align: center;
    width: 100%;
}
.new-year>img{
    width: 70vw;
    height: 64vw;
    transform: scale(1);
}
.new-year-active{
    animation: new-year-active 1s ease;
}
@keyframes new-year-active {
    0%{
        transform: scale(0);
    }
    100%{
        transform: scale(1);
    }
}
.yanhua{
    position: absolute;
    top: 0px;
    left: 0px;
    height: 100%;
    width: 100%;
    background-image: url("../assets/10005.gif");
    background-repeat: no-repeat;
    background-size: 80vw auto;
    background-position: center top;
}
.ci{
    position: absolute;
    top: 38vh;
    left: 0px;
    height: 100%;
    width: 100%;
    text-align: center;
    color: wheat;
    font-size: 6vw;
    line-height: 1.6;
    font-family:'Courier New', Courier, monospace;
    font-weight: bold;
}
.ci-active{
    animation: ci-active 2s ease;
}
@keyframes ci-active {
    0%{
        top: 80vh;
        opacity: 0;
    }
    100%{
        top: 38vh;
        opacity: 1; 
    }
}
.tuzi{
    position: absolute;
    top: 62vh;
    left: 0px;
    width: 100vw;
    text-align: center;
}
.tuzi>.tu{
    width: 76vw;
}
.tuzi>.yun{
    position: absolute;
    left: -100vw;
    width: 200vw;
    height: 5vh;
    bottom: 0vh;
    background-image: url("../assets/10004.png");
    background-size: auto 100%;
    background-position: center;
    background-repeat: repeat-x;
}
.yun{
    animation: move 6s linear infinite;
}
@keyframes move {
    0%{
        left: -100vw;
    }
    100%{
        left: 0vw;
    }
}
.play-box{
    position: absolute;
    top: 2vh;
    left: 50%;
    width: 8vw;
    height: 8vw;
    transform: translate(-50%,0);
}
.play-box>.play{
    width: 100%;
    height: 100%;
}
.play-box>.play.active{
    animation: move2 6s linear infinite;
}
@keyframes move2 {
    0%{
        transform: rotate(0deg);
    }
    100%{
        transform: rotate(360deg);
    }
}